Chuyển đổi PDF sang PNG trong Java SDK

    package com.aspose.asposecloudpdfusecases.conversions;

import java.io.File;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;

import com.aspose.asposecloudpdf.api.PdfApi;

public class ConvertPdfToPng {
    public static void Convert() {
        String REMOTE_FOLDER   = "Your_Temp_Pdf_Cloud";
	    String LOCAL_FOLDER    = "c:\\Samples";
        String PDF_FILE_NAME  = "sample.pdf";
	    String PNG_OUTPUT = "convert_pdf_png_output.png";
        Integer PAGE_NUMBER = 2;

        try {
            PdfApi pdfApi = new PdfApi(API_KEY, API_SECRET);

            // upload local PDF file to remote storage
            File file = new File(Path.of(LOCAL_FOLDER, PDF_FILE_NAME).toString());
            String srcPath = Path.of(REMOTE_FOLDER, PDF_FILE_NAME).toString();
            pdfApi.uploadFile(srcPath, file, null);
            System.out.println(String.format("Files %s successfully uploaded!", PDF_FILE_NAME));

           // convert PDF to PNG and download image locally
            File f = pdfApi.getPageConvertToPng(PDF_FILE_NAME, PAGE_NUMBER, null, null, REMOTE_FOLDER, null, null);
            java.nio.file.Files.copy(Path.of(f.getPath()), Path.of(LOCAL_FOLDER, PNG_OUTPUT), StandardCopyOption.REPLACE_EXISTING);
            System.out.println(String.format("File '%s' successfully dowloaded!", Path.of(LOCAL_FOLDER, PNG_OUTPUT).toString()));
            System.out.println("Successfully converted PDF document page to PNG ! '" + PNG_OUTPUT + "'");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}